Corner unit microwave oven



FIG. 1 is a front perspective view of a corner unit microwave oven showing my new design;

FIG. 2 is a rear elevational view thereof; and,

FIG. 3 is a left side elevational view thereof, the right side being a mirror image.

The electric cord shown broken away in FIGS. 2 and 3 is understood to represent indeterminate length. 

The ornamental design for a corner unit microwave oven, as shown and described. 